Buffett went on CNBC and commented on the tax cuts and also said the cryptocurrency frenzy would end badly. The headlines are overplaying his statement a bit. Buffett is able to put complicated things in very simple terms. You have to be a bit careful interpreting ostensibly clear and simple statements for he tends to chose his words very carefully.
For example Buffett said he would buy a put on every crypto if it were available. That sounds bad. I’ve been a Bitcoin bull for a long time and continue to be. You can find an overview of most my crypto articles here. Yet, trading options I would take that exact same bet gladly.
Here’s a table of what option positions communicate about one’s opinion on cryptocurrencies: